The 40-Mile Loop is a partially completed greenway trail around and through Portland in the U.S. state of Oregon. It was proposed in 1903 by the Olmsted Brothers architecture firm as part of the development of Forest Park.[1][2] One greenway expert calls it "one of the most creative and resourceful greenway projects in the country."[3]
The name's "forty" was obsolete within a few decades after it was proposed. The proposed total path is now about 140 miles (230 km) long, and connects more than thirty city parks.[2] Similarly, "loop" is not entirely accurate. There are several subloops, cutoffs and spur trails within the system. One spur is proposed to connect to the Pacific Crest Trail.[4]
- ^ "Forest Park". Portland Parks & Recreation Department, City of Portland. 2008. Archived from the original on 12 June 2008. Retrieved 2008-05-30.
- ^ a b "History of the 40-Mile Loop". 40-Mile Loop Land Trust. Archived from the original on 21 May 2008. Retrieved 2008-05-30.
- ^ Charles E. Little (1990). Greenways for America. JHU Press. pp. 76–80. ISBN 0-8018-5140-8. Retrieved 2008-05-30.
- ^ "40-Mile Loop map" (PDF). 40-Mile Loop Land Trust. Archived from the original (PDF) on 2009-03-26. Retrieved 2008-07-10.
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